某患者，男，68岁，全口无牙颌，作全口义齿修复。患者试戴义齿后咬食物疼痛。来我院修改。检查：下颌刃状牙槽嵴且粘膜较薄。最佳的修改方法是()

A．下颌义齿组织面缓冲

B．重新制作全口义齿

C．自凝塑胶垫底

D．自凝软衬材料垫底

E．采用外科手术方法修整下颌刃状牙槽嵴

— I don’t know        now.

— Her father says she is a little better.

A．how is she

B．where she is

C．who she is

D．how she is